* {
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
.center {
  width: 1000px;
  margin: 0 auto;
}
.body {
  background-color: #ecf6fd;
}
.pic_bg img {
  display: block;
  width: 100%;
}
::v-deep .txt .item {
  font-weight: bold;
  text-indent: 2rem;
  line-height: 1.5em;
  margin: 5px 0;
}
.pic img {
  width: 100%;
}
/*************具体介绍区**********************/
.detail ul li .icon {
  display: flex;
  align-items: center;
}
.detail ul li .icon span {
  display: block;
  background-color: #ff5b5b;
  width: 100px;
  color: #ecf6fd;
  text-align: center;
  font-size: 18px;
  padding: 3px 0;
  font-weight: bold;
}
.detail ul li .icon div {
  width: 0;
  border: 15px solid #ff5b5b;
  border-right-color: transparent;
}
.detail ul li:nth-child(2) .icon span {
  background-color: #ffd800;
}
.detail ul li:nth-child(2) .icon div {
  width: 0;
  border: 15px solid #ffd800;
  border-right-color: transparent;
}
.detail ul li:nth-child(3) .icon span {
  background-color: #71af22;
}
.detail ul li:nth-child(3) .icon div {
  width: 0;
  border: 15px solid #71af22;
  border-right-color: transparent;
}
.detail ul li:nth-child(4) .icon span {
  background-color: #3690ec;
}
.detail ul li:nth-child(4) .icon div {
  width: 0;
  border: 15px solid #3690ec;
  border-right-color: transparent;
}
.detail ul li p {
  font-weight: bold;
  line-height: 50px;
  font-size: 18px;
  color: #555;
  margin-bottom: 20px;
}
